package com.itheima.chanlin.common;

import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import lombok.extern.slf4j.Slf4j;
import org.apache.ibatis.reflection.MetaObject;
import org.springframework.stereotype.Component;

import java.time.LocalDateTime;

/**
 * mybatisPlus的扩展功能，功能接口由MetaObjectHandler提供
 * 自定义元数据对象处理器
 *
 */
@Component
@Slf4j
public class MyMetaObjecthandler implements MetaObjectHandler {

    /**
     * 插入操作，自动填充
     * @param metaObject
     */
    @Override
        public void insertFill(MetaObject metaObject) {
//        super();
            log.info("公共字段填充[insert]...{}",metaObject.toString());


        metaObject.setValue("createTime", LocalDateTime.now());
        metaObject.setValue("updateTime", LocalDateTime.now());

//        metaObject.setValue("createUser", new Long(1));
        metaObject.setValue("createUser", 1L);
        metaObject.setValue("updateUser", 1L);
//        metaObject.setValue("createUser", BaseContext.getCurrentId());
//        metaObject.setValue("updateUser", BaseContext.getCurrentId());
    }

    /**
     * 更新操作，自动填充
     * @param metaObject
     */
    @Override
    public void updateFill(MetaObject metaObject) {

        log.error("updateFill:{}",String.valueOf(Thread.currentThread().getId()));//线程id查看

        log.info("公共字段填充[update]...{}",metaObject.toString());

        metaObject.setValue("updateTime", LocalDateTime.now());
        metaObject.setValue("updateUser", BaseContext.getCurrentId());
    }
}
